<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>

<style>
    * {
        margin: 0;
        padding: 0;
    }

    div {
        display: flex;
        flex-direction: row;
        justify-content: space-around;

        width: 700px;
        height: 300px;
        background-color: pink;
        margin: 30px auto;
        border-left: 1px solid black;
        border-bottom: 1px solid black;


    }

    span {
        width: 60px;
        height: 30px;
        background-color: blue;
        align-self: flex-end;
    }

</style>
<body>
    <div>
        <span>111</span>
        <span>222</span>
        <span>333</span>
        <span>444</span>
    </div>
</body>
</html>